I've never played this game, which was released today, or last year's version, but it looks pretty cool:
http://store.steampowered.com/app/320300/
Last year's version available as a free demo here:
http://store.steampowered.com/app/270850/
http://store.steampowered.com/app/320300/
Last year's version available as a free demo here:
http://store.steampowered.com/app/270850/